The Istana welcomes the public to visit its grounds up to five times a year.
The victim has since filed a police report.
More national servicemen may qualify for roles they previously couldn’t, MINDEF said.
Express bus service Sri Maju apologised to passengers over the incident.
Both road users did not appear to slow down when approaching the zebra crossing.
The fire involved the contents of a unit on the second floor, SCDF said.
He was arrested within eight hours of the police report being made.
The fire was extinguished with no reported injuries, and investigations are ongoing.
He shared that the song he chose to sing was a good representation of Singapore.
Neighbours reportedly heard her calling for help, but were unable to enter the burning house.